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Finding the Fourth Proportional to 1,555,706, 2,333,559 and 505,082

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Solution

The fourth proportional to 1,555,706, 2,333,559 and 505,082 is: 757,623

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,706 : 2,333,559 = 505,082 : x
  2. Step 2: Convert to fraction form
    1,555,706/2,333,559 = 505,082/x
  3. Step 3: Cross multiply
    1,555,706x = 2,333,559 × 505,082
  4. Step 4: Simplify right side
    1,555,706x = 1,178,638,646,838
  5. Step 5: Solve for x
    x = 1,178,638,646,838/1,555,706
  6. Step 6: Final answer
    x = 757,623

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.